100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/* C API for _dbus_bindings, used by _dbus_glib_bindings and any third-party
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* main loop integration which might happen in future.
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*
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* This file is currently Python-version-independent - please keep it that way.
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*
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* Copyright (C) 2006 Collabora Ltd.
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*
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* Licensed under the Academic Free License version 2.1
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef DBUS_PYTHON_H
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#define DBUS_PYTHON_H
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#include <Python.h>
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#define DBUS_API_SUBJECT_TO_CHANGE 1
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#include <dbus/dbus.h>
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DBUS_BEGIN_DECLS
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typedef void (*_dbus_py_func_ptr)(void);
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typedef dbus_bool_t (*_dbus_py_conn_setup_func)(DBusConnection *, void *);
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typedef dbus_bool_t (*_dbus_py_srv_setup_func)(DBusServer *, void *);
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typedef void (*_dbus_py_free_func)(void *);
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#define DBUS_BINDINGS_API_COUNT 3
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#ifdef INSIDE_DBUS_PYTHON_BINDINGS
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extern DBusConnection *DBusPyConnection_BorrowDBusConnection(PyObject *);
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extern PyObject *DBusPyNativeMainLoop_New4(_dbus_py_conn_setup_func,
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_dbus_py_srv_setup_func,
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_dbus_py_free_func,
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void *);
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#else
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static PyObject *_dbus_bindings_module = NULL;
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static _dbus_py_func_ptr *dbus_bindings_API;
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#define DBusPyConnection_BorrowDBusConnection \
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(*(DBusConnection *(*)(PyObject *))dbus_bindings_API[1])
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#define DBusPyNativeMainLoop_New4 \
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((PyObject *(*)(_dbus_py_conn_setup_func, _dbus_py_srv_setup_func, \
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_dbus_py_free_func, void *))dbus_bindings_API[2])
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static int
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import_dbus_bindings(const char *this_module_name)
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{
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PyObject *c_api;
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int count;
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_dbus_bindings_module = PyImport_ImportModule("_dbus_bindings");
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if (!_dbus_bindings_module) {
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return -1;
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}
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c_api = PyObject_GetAttrString(_dbus_bindings_module, "_C_API");
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if (c_api == NULL) return -1;
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if (PyCObject_Check(c_api)) {
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dbus_bindings_API = (_dbus_py_func_ptr *)PyCObject_AsVoidPtr(c_api);
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}
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else {
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Py_DECREF(c_api);
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PyErr_SetString(PyExc_RuntimeError, "C API is not a PyCObject");
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return -1;
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}
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Py_DECREF (c_api);
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count = *(int *)dbus_bindings_API[0];
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if (count < DBUS_BINDINGS_API_COUNT) {
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PyErr_Format(PyExc_RuntimeError,
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"_dbus_bindings has API version %d but %s needs "
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"_dbus_bindings API version at least %d",
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count, this_module_name,
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DBUS_BINDINGS_API_COUNT);
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return -1;
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}
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return 0;
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}
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#endif
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DBUS_END_DECLS
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#endif
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